turck TN-IOL2 Series, Инструкция по эксплуатации

Страница: 17 / 36

V01.00 | 2021/05
17
8.3 IO-Link mode – process data
8.3.1 IO-Link mode – process input data
Byte no. Bit
7 6 5 4 3 2 1 0
0 RDY ERR TAG ANT CMDCOPY
1 ERROR CODE ALR1 ALR2
2 RSSI
3 ADDRESS
4…31 DATA 0…27 or UID7…0, STTI7…0, TIRT7…0
Meaning of the status bits
Designation Meaning
RDY
1
Ò
0 or 0
Ò
1: Command executed, new data available
0 or 1: No new data available
ERR 0: Command executed error-free
1: Command executed with error
TAG 0: No tag within the detection range
1: Tag present at read/write head
ANT 0: RF field switched off
1: RF field switched on
ERROR CODE See list of error codes
ALR2 0: Alarm 2 off
1: Alarm 2 on
ALR1 0: Alarm 1 off
1: Alarm 1 on
ADDRESS Address of the first memory block on the tag on which a command was executed
DATA 0…27 Read data (LSB…MSB)
The read data is shown in bytes. Observe the block size of the tag used when evaluating the
read data:
n EEPROM: 4 bytes per block
n
FRAM: 8 bytes per block
UID7…0 UID of the tag (MSB…LSB)
STTI7…0 System time at which the data was detected
TIRT7…0 Time in which the tag is located in the detection range